org.springframework.kafka.support.JacksonMimeTypeModule Maven / Gradle / Ivy
/*
* Copyright 2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.kafka.support;
import java.io.IOException;
import org.springframework.util.MimeType;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;
/**
* A {@link SimpleModule} extension for {@link MimeType} serialization.
*
* @author Artem Bilan
*
* @since 2.3
*/
public final class JacksonMimeTypeModule extends SimpleModule {
private static final long serialVersionUID = 1L;
public JacksonMimeTypeModule() {
addSerializer(MimeType.class, new MimeTypeSerializer());
}
/**
* Simple {@link JsonSerializer} extension to represent a {@link MimeType} object in the
* target JSON as a plain string.
*/
private static final class MimeTypeSerializer extends JsonSerializer {
MimeTypeSerializer() {
}
@Override
public void serialize(MimeType value, JsonGenerator generator, SerializerProvider serializers)
throws IOException {
generator.writeString(value.toString());
}
}
}